Home / 56,525.68-77,970.90-40,631.68

Finding the Fourth Proportional to 56,525.68, 77,970.90 and 40,631.68

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Solution

The fourth proportional to 56,525.68, 77,970.90 and 40,631.68 is: 56,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.68 : 77,970.90 = 40,631.68 : x
  2. Step 2: Convert to fraction form
    56,525.68/77,970.90 = 40,631.68/x
  3. Step 3: Cross multiply
    56,525.68x = 77,970.90 × 40,631.68
  4. Step 4: Simplify right side
    56,525.68x = 3,168,088,658.11
  5. Step 5: Solve for x
    x = 3,168,088,658.11/56,525.68
  6. Step 6: Final answer
    x = 56,046.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.